12151640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 29376000

約数和(自身を除く): 17224360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 271, 295, 380, 472, 542, 590, 760, 1084, 1121, 1180, 1355, 2168, 2242, 2360, 2710, 4484, 5149, 5420, 5605, 8968, 10298, 10840, 11210, 15989, 20596, 22420, 25745, 31978, 41192, 44840, 51490, 63956, 79945, 102980, 127912, 159890, 205960, 303791, 319780, 607582, 639560, 1215164, 1518955, 2430328, 3037910, 6075820, 12151640]

約数ペア:

[(1, 12151640), (2, 6075820), (4, 3037910), (5, 2430328), (8, 1518955), (10, 1215164), (19, 639560), (20, 607582), (38, 319780), (40, 303791), (59, 205960), (76, 159890), (95, 127912), (118, 102980), (152, 79945), (190, 63956), (236, 51490), (271, 44840), (295, 41192), (380, 31978), (472, 25745), (542, 22420), (590, 20596), (760, 15989), (1084, 11210), (1121, 10840), (1180, 10298), (1355, 8968), (2168, 5605), (2242, 5420), (2360, 5149), (2710, 4484)]